Finding the Fourth Proportional to 436,081.70, 654,122.55 and 236,497.70
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Solution
The fourth proportional to 436,081.70, 654,122.55 and 236,497.70 is: 354,746.55
Step by Step Solution
- Step 1: Write the proportion equation
436,081.70 : 654,122.55 = 236,497.70 : x - Step 2: Convert to fraction form
436,081.70/654,122.55 = 236,497.70/x - Step 3: Cross multiply
436,081.70x = 654,122.55 × 236,497.70 - Step 4: Simplify right side
436,081.70x = 154,698,478,593.14 - Step 5: Solve for x
x = 154,698,478,593.14/436,081.70 - Step 6: Final answer
x = 354,746.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.